Failed to process import candidates for configuration class [com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceAutoConfigure]; nested exception is java.lang.ClassCastException: java.lang.UnsupportedClassVersionError cannot be cast to [Ljava.lang.Object;
报错：Failed to parse configuration class [com.springboot.SpringbooteApplication]; nested exception is java.io.FileNotFoundException: class path resource [resource.properties] cannot be opened because it does not exist
